Calvarial lesion

From IDWiki

Background

  • Lesion involving the calvaria (top part of the skull)

Etiologies

Lytic Lesion

Distribution Adult Any Age Pediatric
Lytic Lesion
Single lesion More common: Paget disease of the bone, osteomyelitis, transiploic lesion

Less common: intraosseous venous malformation, sarcoidosis, Gorham disease

More common: sequela of burr hole surgery, epidermoid cyst, dermoid cyst, arachoid granulation, venous lake

Less common: fibrous dysplasia, aneurysmal bone cyst, ossifying fibroma

More common: leptomeningeal cyst, Langerhans cell histiocytosis

Less common: atretic meningocephalocele, sinus pericranii, aplasia cutis congenita, rickets, osteomalacia

Multiple lesions More common: multiple myeloma

Less common: sarcoidosis, Gorham disease, primary hyperparathyroidism

More common: bony metastases

Less common: lymphoma, fibrous dysplasi

More common: Langerhans cell histiocytosis

Less common: parietal foramina, birth trauma, congenital depression

Sclerotic Lesion
Focal More common: hyperostosis frontalis interna, bony metastases

Less common primary intraosseous meningioma, secondary osteosarcoma

Less common: osteoma, fibrous dysplasia, ossifying fibroma More common: calcified cephalohematoma

Less common: primary osteosarcoma

Diffuse or multiple More common: Paget disease of bone, renal osteodystrophy, bony metastases, phenytoin-induced hyperostosis

Less common: acromegaly, bony metastases

More common: calcified cephalohematoma, wormian bones

Less common: chronic hemolytic anemia, osteopetrosis, tuberous sclerosis

Calvarial Thinning
Focal Less common: flap osteonecrosis, Gorham disease, bilateral parietal thinning More common: neoplastic lesion, transdiploic lesion, osteomyelitis

Less common: Parry-Romberg syndrome

Diffuse More common: convolutional markings, beaten copper skull

Less common: lacunar skull, craniosynostosis

Further Reading